Add desktop vpn app project

nym-vpn/desktop/.dockerignore

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+build/*
+data/*
+dist/*
+target/*

nym-vpn/desktop/.gitignore

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+# Generated by Cargo
+# will have compiled files and executables
+target
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+node_modules
+
+data
+
+build
+.cargo
+
+.DS_Store
+
+# generated Typescript types from Rust
+bindings
+
+staging-config
+
+dist
+.nymvpn
+windows/x86_64*
+*.wixobj
+*.wixpdb
+*.msi
+mkcert*
+
+nymvpn-oss-licenses.html
+nymvpn-oss-licenses-rust.html
+third-party-licenses.txt

nym-vpn/desktop/.vscode/settings.json

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+{
+    "svg.preview.background": "editor"
+}

nym-vpn/desktop/Build.md

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+# Building nymvpn app
+
+## Install build dependencies
+
+### Common for all Platforms
+
+```
+cargo install cargo-deb
+cargo install cargo-generate-rpm
+cargo install --force cargo-make
+cargo install sd
+cargo install ripgrep
+cargo install cargo-about
+```
+
+### Linux
+
+```
+apt install build-essential \
+    pkg-config \
+    libgtk-3-dev \
+    libssl-dev \
+    libsoup2.4-dev \
+    libjavascriptcoregtk-4.0-dev \
+    libwebkit2gtk-4.0-dev \
+    libmnl-dev \
+    libnftnl-dev \
+    protobuf-compiler \
+    zip \
+
+```
+
+Install protoc on x86_64/amd64 machines
+```
+# x86_64
+curl -Lo protoc-3.19.1-linux-x86_64.zip \
+    https://github.com/protocolbuffers/protobuf/releases/download/v3.19.1/protoc-3.19.1-linux-x86_64.zip  && \
+    unzip protoc-3.19.1-linux-x86_64.zip -d /tmp && \
+    mv /tmp/bin/protoc /usr/bin/protoc && \
+    rm protoc-3.19.1-linux-x86_64.zip
+```
+
+Install protoc on arm64 machines
+```
+# aarch64
+curl -Lo protoc-3.19.1-linux-aarch_64.zip \
+    https://github.com/protocolbuffers/protobuf/releases/download/v3.19.1/protoc-3.19.1-linux-aarch_64.zip  && \
+    unzip protoc-3.19.1-linux-aarch_64.zip -d /tmp && \
+    sudo mv /tmp/bin/protoc /usr/bin/protoc && \
+    rm protoc-3.19.1-linux-aarch_64.zip
+
+```
+
+### macOS
+```
+brew install protobuf
+```
+
+### Windows
+TODO
+
+## Build Debian package
+
+```
+cargo make deb
+```
+
+## Build RPM package
+
+```
+cargo make rpm
+```
+
+## Build macOS package
+
+```
+cargo make pkg
+```
+
+To codesign for distribution provide following environment variables:
+
+```
+APPLE_TEAM_ID=...
+APPLICATION_SIGNING_IDENTITY=...
+INSTALLER_SIGNING_IDENTITY=...
+cargo make pkg
+```
+
+## Build installer for Windows
+
+```
+cargo make msi
+```
+
+To codesign for distribution:
+
+```
+SIGN=true cargo make msi
+```
+
+## Building for Production for Linux
+
+### Build the Builder
+
+Build the Docker image to build nymvpn app.
+```
+cd nymvpn-packages
+cargo make builder
+```
+
+This will output `tag.txt`, commit it into source code.
+
+### Build .deb and .rpm
+
+This step uses builder Docker image with tag in `nymvpn-packages/tag.txt`. The final rpm and deb packages will be stored in `dist` directory.
+
+```
+# For host platform
+cargo make linux
+
+# For target platform
+cargo make -e TARGET=aarch64-unknown-linux-gnu linux
+```